Abstract: The invention relates to a multinuclear metallocene catalyst compound according to Formula (1), wherein Y and Y? are the same or different and independently selected from the group consisting of C1-20 linear, branched or cyclic hydrocarbyl groups, C1-30 aryl and substituted aryl groups; L and L? are the same or different and are electron-donating groups independently selected from the elements of Group 15 of the Periodic Table; Q and Q? are the same or different and independently selected from the group consisting of C1-30 alkylene groups; M? is a metal selected from Groups 3, 4, 5, 6, 7, 8, 9 and 10 or from lanthanide series elements of the Periodic Table; Z is selected from the group consisting of hydrogen, a halogen and C1-20 hydrocarbyl, C1-20 alkoxy and C1-20 aryloxy groups; z is an integer from 1 to 4; n and n? are independently 0 or 1, with 1?(n+n?)?2; B and B? are the same or different and each is a metallocene compound, with B being represented by the compound of Formula (2) and B? being represented

Abstract: Methods for dimerizing alpha-olefins utilizing immobilized buffered catalysts wherein a buffered ionic liquid is mixed with an organometallic complex of the formula: where M is selected from the group of Ti, Zr, Hg, Ni, and V and R and R? are selected from the group consisting of hydrogen, alkyl, aryl, alkenyl, alkynyl, alkyloxy, substituted aryl, and halogens, are provided.

Abstract: Methods for dimerizing alpha-olefins utilizing immobilized buffered catalysts wherein the catalytic component is of the form: where X is a halogen, n=2 or 3, M=Ti, V, Cr, Mn, Fe, Co and Ni and R1, R2, R3 and R4 are selected from the group consisting of hydrogen, alkyl, aryl, alkenyl, alkinyl, alkyloxy, substituted aryl, and X are provided. A method for dimerizing alpha-olefins utilizing the immobilized buffered catalysts and a co-catalyst is also provided.

Abstract: Methods for dimerizing alpha-olefins utilizing immobilized buffered catalysts wherein a buffered ionic liquid is mixed with an organometallic complex of the formula: where X is a halogen, n=2 or 3, M=Ti, V, Cr, Mn, Fe, Co and Ni and R1, R2, R3 and R4 are selected from the group consisting of hydrogen, alkyl, aryl, alkenyl, alkynyl, alkyloxy, substituted aryl, and X are provided. A method for dimerizing alpha-olefins utilizing the immobilized buffered catalysts and a co-catalyst is also provided.

Abstract: Multinuclear catalyst complex comprising two or more active metal centers and at least one phenoxyimine derivative and at least one substituted cyclopentadienyl, indenyl or fluorenyl derivative, each phenoxyimine derivative being bonded to a cyclopentadienyl, indenyl or fluorenyl derivative forming a ligand framework, the cyclopentadienyl, indenyl or fluorenyl derivative being coordinated with one of the metal centers and the phenoxyimine derivative being coordinated with an active metal center other than the metal center the cyclopentadienyl, indenyl or fluorenyl derivative is coordinated with, and wherein the phenoxyimine derivative is derived from a phenoxyimine compound of the formula wherein R1 is hydrogen, alkyl, cycloalkyl, aryl or aralkyl; R2 is hydrogen, halogen, alkyl, cycloalkyl, aryl, O-alkyl or aralkyl; and R3 is alkyl, cycloalkyl, aryl or aralkyl, process for preparing a multinuclear catalyst composition comprising the steps of bonding the substituted phenoxyimine compound to a substitute

Abstract: The present invention relates to a catalyst precursor for the production of odd olefins having the formula: wherein X and Y are halogen and n is 2 or 3; and to a process for its preparation and a method for oligomerization of ethylene.

Abstract: The present invention relates generally to buffered ionic liquids that are very useful for dimerization of olefins, such as isopropene, wherein the buffer is a phosphine or a bismuthine or an arsine or an amine.

Abstract: A catalyst comprising at least one metal selected from the group consisting of Group 8 metals, Group 9 metals, Group 10 metals and combinations thereof, an organic compound, and a solid acid and a method of making said catalyst is disclosed. The catalyst can be used in a hydrocarbon conversion process.

Abstract: A series of new bis(imino)pyridine vanadium(III) complexes was synthesized according to formula: They were tested for the homogeneous catalytic dimerization of propylene after activation with MAO and showed excellent selectivity for dimerization. The catalysts can be used with or without PPh3 as an additive to produce ?80% dimerized alkenes.

Abstract: Methods for dimerizing alpha-olefins utilizing immobilized buffered catalysts wherein the catalytic component is of the form (ligand)2-M-X2 where X is a halogen, M is selected from the group of Ti, Zr, and Hf and ligand is selected from the group consisting of cyclopentadienyl, substituted cyclopentadienyl, indenyl, and substituted indenyl, wherein the two ligands may be the same or different compound are provided.

Abstract: Methods for dimerizing alpha-olefins utilizing immobilized buffered catalysts wherein the catalytic component is of the form: where X is a halogen, n=2 or 3, M=Ti, V, Cr, Mn, Fe, Co and Ni and R1, R2, R3 and R4 are selected from the group consisting of hydrogen, alkyl, aryl, alkenyl, alkinyl, alkyloxy, substituted aryl, and X are provided. A method for dimerizing alpha-olefins utilizing the immobilized buffered catalysts and a co-catalyst is also provided.

Abstract: Methods for dimerizing alpha-olefins utilizing immobilized buffered catalysts, wherein the catalytic component is of the formula: where M is selected from the group of Ti, Zr, Hg, Ni, and V and R and R? are selected from the group consisting of hydrogen, alkyl, aryl, alkenyl, alkinyl, alkyloxy, substituted aryl, and halogens, are provided.

Abstract: The present invention relates to a catalyst precursor for the production of odd olefins having the formula: wherein X and Y are halogen and n is 2 or 3; and to a process for its preparation and a method for oligomerization of ethylene.

Abstract: A catalyst comprising a 1) complex comprising: a) at least one metal selected from the group consisting of Group 8 metals, Group 9 metals, Group 10 metals, and combinations thereof; b) a compound having the formula R3X wherein R is selected from the group consisting of hydrogen, an alkyl, an alkenyl, an alkynyl, cycloalkyls, cycloalkenyls, cycloalkynyls, aryls, substituted aryls, and substituted organic compounds and wherein X is a Group 15 element selected from the group consisting of nitrogen, phosphorus, arsenic, antimony and bismuth; and 2) support component comprising a silicon-containing compound and a method of making said catalyst, is disclosed. The catalyst is then used to dehydrogenate hydrocarbons in a dehydrogenation reaction zone under dehydrogenation reaction conditions.

Abstract: Fluorenyl-containing metallocenes are disclosed along with methods for making the metallocenes. Also disclosed are methods for using the metallocenes as polymerization catalysts. In addition, polymers resulting from such polymerizations are disclosed.

Abstract: Metallocene having two cyclic dienyl groups connected by a single carbon having an aryl substituent and a terminally unsaturated hydrocarbyl substituent, olefin polymerization catalyst systems prepared therefrom, and the use of such catalyst systems are disclosed.

Abstract: Pyridyldiimine ligands having one of the following structures: 1

Abstract: A solid particulate metallocene-containing catalyst system is produced by combining an alkenyl substituted indenyl (t-butylamido)dimethyl silane titanium dichloride half sandwich metallocene in which the alkenyl substituent on the indenyl has terminal olefinic unsaturation and 5 to 6 carbon atoms with a suitable cocatalyst in a liquid and conducting prepolymerization of at least one olefin, optionally in multiple steps, to produce a prepolymerized solid catalyst, and separating the resulting solid from the liquid and the components dissolved in the liquid, said solid being the inventive solid particulate metallocene catalyst system. The use of the solid particulate catalyst in the polymerization of olefins is also disclosed.

Abstract: Metallocene having two cyclic dienyl groups connected by a single carbon having an aryl substituent and a terminally unsaturated hydrocarbyl substituent, olefin polymerization catalyst systems prepared therefrom, and the use of such catalyst systems are disclosed.

Abstract: A process for producing a new metallocene comprising reacting a first bridged metallocene which has an olefinically unsaturated with about two molar equivalents of an alkali metal alkyl, catalyst systems resulting from the combination of the resulting metallocenes and a cocatalyst, and polymerization processes using such catalyst systems are disclosed.